AA 3521 then AA 5443 at Charlotte
Valparaiso → Charlotte → Northwest Arkansas
Timetable, Charlotte time
15:37AA 3521 from Valparaiso at the gate
15:30AA 5443 to Northwest Arkansas leaves the gate
23 h 53 apart on the timetable, overnight
AA 5443 leaves 23 h 53 after AA 3521 arrives on the timetable: more than half a day, so not a connection we count.